marsupium
/mär-ˈsü-pē-əm/ (ame, mw)
marsupium — 名詞
1. a pocket of skin on the belly of female marsupial animals, such as kangaroos and
育兒袋
有袋動物腹部孵育幼崽的皮袋
a pocket of skin on the belly of female marsupial animals, such as kangaroos and koalas, that holds the mammary glands and provides a safe place where newborn babies can feed and continue to grow after birth.
A newborn kangaroo, no bigger than a jellybean, crawls into its mother's marsupium right after birth.
剛出生的袋鼠只有果凍豆那麼大，出生後立刻爬進母親的育兒袋。
collocation: mother's marsupium
Dr. Okafor pointed to the wallaby's swollen marsupium and explained that a joey was nursing inside.
Okafor 博士指著沙袋鼠鼓起的育兒袋，解釋說裡面有一隻小袋鼠正在喝奶。
domain-specific use: zoology observation
The koala's marsupium opens toward the rear instead of upward, a detail that surprised the students.
無尾熊的育兒袋開口朝後而不是朝上，這個細節讓學生們很驚訝。
Wildlife carers checked the injured possum's marsupium to see if any babies had survived the accident.
野生動物照護員檢查了受傷負鼠的育兒袋，確認是否有幼崽在事故中存活下來。
When the joey grows too large for the marsupium, it begins to make short trips outside and climb back in.
當小袋鼠長到育兒袋裝不下時，牠會短暫外出再爬回來。
- pouch
the everyday, non-technical word for marsupium; marsupium is formal/zoological.
- brood pouch
a broader term that can also refer to similar structures in non-marsupial animals; marsupium is specific to marsupials.
- placenta
in placental mammals, the developing young are nourished inside the uterus via a placenta rather than in an external pouch.
文法句型
the marsupium of [marsupial species]
[species]'s marsupium
用法筆記
Marsupium is the technical singular form; the plural is marsupia. In everyday language, most English speakers say 'pouch' instead of marsupium.
常見錯誤
2. a body part or chamber in certain animals without backbones, such as moss animal
孵育腔
無脊椎動物保護卵或幼體的腔室
a body part or chamber in certain animals without backbones, such as moss animals or snails, that holds eggs or young so they can develop safely.
In certain bryozoans, the colony's eggs develop inside a protective marsupium before being released into the water.
某些苔蘚蟲群體中的卵會在保護性的孵育腔內發育，然後才釋放到水中。
collocation: develop inside a protective marsupium
Dr. Amara Chen studied the marsupium of a freshwater snail under her laboratory microscope for three weeks.
Amara Chen 博士花了三週時間在實驗室顯微鏡下研究一種淡水螺的孵育腔。
Unlike the furry pouch of a kangaroo, a mollusk's marsupium is a simple fold of tissue.
與袋鼠毛茸茸的袋子不同，軟體動物的孵育腔只是一片簡單的組織褶皺。
The students drew diagrams comparing the marsupium of a bryozoan with that of a bivalve mollusk.
學生們畫圖比較苔蘚蟲與雙殼綱軟體動物的孵育腔結構。
- brood chamber
a more general term for any structure that holds developing young; marsupium is the specific technical term in invertebrate zoology.
文法句型
marsupium of [species]
[species] with a marsupium
用法筆記
This sense is strictly technical and appears mainly in invertebrate zoology textbooks and research papers. The plural marsupia also applies here.